Do it yourself
Frequently asked questions about cars and motorcycles
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In this brief guide, you will learn how to reset the ECU (Electronic Control Unit) on the Kymco Downtown 300i ABS scooter by following the instructions below. First, turn on the ignition by turning the key to position one. Then, fully twist the throttle grip for a couple of seconds until the yellow warning light appears on the rev counter, as shown in the video. Now, turn off the ignition and then restart the engine; this will successfully reset the ECU!

Updated on 8 May 2026 by ScegliAuto

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